cable tray

cable tray

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  1. C

    Cable tray query

    Sorry, an odd question . Does anyone have any experience of these. Would the steel 100mm hhvy duty type be strong enough to support wheeling an ebike over (say) 5feet onto a towbar bike rack ??
  2. H

    Cable Tray Load Optimization

    There are electrical engineers who just mutter the slogan "Safety is the top priority," and simply convey old and inaccurate Cable Tray Weight information to the Architectural/Structural design department without trying to calculate the Cable Weight on the Cable Schedule. As the result...
  3. R

    cable tray installations

    I am trying to find how to price per meter for installation of cable tray 150mm x 150mm for a large commercial project.
  4. L

    Cable tray price help

    Hi there, I’m about to install 60metres of 6inch tray commercially, does £40 a metre sound about right
  5. I

    Rio and BHP specs for unsupported cable allowance and Voltage drop?

    Hi senior members of the forum, I need advice on couple of questions about Rio and BHP specs for electrical installation purposes. What is the minimum allowance for unsupported cable coming out of cable ladder. This is for install of a genset trailer to load. The cable will be going through...
  6. Pat H

    Cable tray supports needed

    I'm looking at fitting some cable trays in a domestic loft. I need them to sit 150mm above the current ceiling joists running across those joists. I'm struggling to find and tray supports that stand up from a wooden joist. Plenty of options to hang trays but that's not practical. Any ideas...
  7. C

    Formulas for flat 45 degree bend in cable tray

    Hi Would someone kindly let me know the formula to create a flat 45 in say 100 mm cable tray for example. So I can then use the formula on different cable tray sizes and to different angles. So basically from my middle line what size to mark either side to cut my lip away to create...
  8. D

    Cable Tray of the Future 'Roller Tray'

    Looks awesome I don't do much tray work but if I did then I would be buying this for sure
  9. JasonB

    Advice on cable tray snips..

    Looking for recommendations on snips for cable tray trimming and cutting. Tia
  10. G

    UK Cable Tray Laying

    Hi All, I'm planning to install a 300mm cable tray underneath a false floor for a 95mm SWA supply cable. The issue is the tiles underneath the false flooring that the tray needs to be fixed down to are all asbestos. I know there are specialist companies who will drill holes into asbestos...
  11. A

    Cable tray or basket for Domestic install

    HI I am thinking of using steel cable tray or or basket with a cover for a vertical in a domestic garage to the consumer unit. I am looking at this solution because clipping to wall is no longer particularly viable due to number of cables and the damage past clips have already done to the wall...
  12. B

    Cable tray cable laying

    Hi all question regarding installing cables on cable tray. Currently working in a restaurant down south and laying are installing twin and earth cables on cable tray. Quick and easy I suppose but is there a regulation what states the way you should tie the cables to cable tray. I have worked...
  13. NoMessCharley

    How to Calculate Size of Cut to Set Cable Tray

    I worked with cable tray about 40 years ago and remember I created a couple of simple formulae to work out how much triangular section of the cable tray to cut out to do various sets. I have tried to explain them below. The first one is when you know the angle you want to create and the second...
  14. S

    Can I avoid applying correction factor (Ci) when cable tray passes through a concrete wall?

    Hi This is about a design problem in an assignment. A cable basket containing several circuits passes horizontally through an internal concrete wall (100mm) and into a ceiling void where it provides lighting throughout the building. I'm trying to size the cables for the circuits and I'd...
  15. S

    whats the requirement on cable tray going in riser cupboards

    Hi Guys I have a block of 9 flats 3 floors ,ground ,1st & 2nd.6" cable tray going from top to bottom x2 .LV and HV.The contracts manager is insisting on the tray stopping between floors and a 4" pipe with a fire collar around it to go through the flooor.Is this correct. Please help!!!!
  16. cliffed

    Cleating or cable tray 70mm 4 core swa

    Any ideas how to bend 70mm swa cable round a corner brick wall. It’s gotta look good,cable not yet ready to cleat,but looking at the route the only problem I see is this corner,especially with the radius bend-of the cable,just wondering how you guys would overcome it.
  17. C

    Cable tray rolling bend!

    Hello guys/gals, Fabricating your own bends is normally now a dated thing in this day and age but still wise to know! I like to think I am pretty good at this but one thing I did stumble on today is doing a back to back rolling bend in cable tray?!! Making the bends is a doddle but does...
  18. R

    Am2 exam question bonding cable tray/ metal trunking?

    Hi everyone, I am sitting my AM2 exam a week today and was wondering if the metal trunking, cable tray etc needs bonded back to the MET in the board? Will you fail if its not bonded or will it be a minor? Anyone got any ideas? Thanks.
  19. Pete999

    Pete's Videos Big cable tray pull to do you might like this vid then

  20. D

    Cable tray

    Hi guys Could someone please tell me what distance apart the threaded rod supports should be on a 150mm tray. Thanks

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